Answer:
Because local users or audiences tend to use their mobile devices when they are out of the house
Step-by-step explanation:
When the local users or audiences out of their houses then they mostly surfing on their mobile phones. So, It is necessary to improve websites and its content for the device users because they mostly looking on their mobile phones when they are not in their homes and the many contents or advertisement of the mobile websites is bad for those users who are youngsters.